3. Refer to Exhibit 1. PC A wants to send message to PC H. Explain in details how the switches will forward the frame to the destination. Assuming that all the forwarding table of the switches are empty. (5 marks) A S S2 B C SA S3 H G E EXHIBIT 1 4. Identify the type of cable used to connect the following (assuming no MDIX is enabled): (5 marks) Description To connect a workstation to a Cisco router console port To connect between a workstation (using Macintosh operating system) and another workstation (using windows operating system) To connect between a workstation (using Windows operating system) and another workstation (using windows operating system) To connect a workstation to a Cisco router Ethernet ports To connect a workstation to a Cisco Switch Ethernet ports Cable 5. Refer to Exhibit 2. All routers have been configured with a dynamic routing protocol except at R3. 172.16.3.0/24 Fa0/0 X .1 R2 S0/0/0 S0/0/1 .2 .1 DCE 172.16.2.0/24 192.168.1.0/24 S0/0/0 172.16.1.0/24 DCE .1 Fa0/0 R1 EXHIBIT 2 S0/0/1 172.16.4.0/24 .2 Fa0/0 R3 .1 a) Name the most suitable dynamic routing protocol for this topology. Explain the reasons for your choice. b) Which networks are listed in R1 routing table as "C"? (3 marks) (2 marks) c) What would be the result if you ping a host in network 172.16.4.0/24 from R1 LAN? Explain your answer. (5 marks)